.Perennials. Stems are solitary or
clustered from a branched caudex or from short
rhizomes; typically densely pubescent
throughout with stiff hairs. (Plants with stems
that are sparsely pubescent to nearly glabrous may occasionally be found.) Typical height is from
3 to 5+ feet.

The inflorescence is many-branched, often tall, round-topped or
peaked. Branching often begins below mid-stem.